﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using AvatarHelper;
using Avatar.Model;

namespace Avatar.Common
{
    public static class PeriodManager
    {
        public static Period GetPeriod(int _id)
        {
            return DBHelper.Get<Period>(p=>p.ID==_id,"获取有效期出错:");
        }
    }
}
